public override AstNode VisitIfStatement([NotNull] QLParser.IfStatementContext context)
{
var ifs = context
.conditionBlock()
.Select(child => child.Accept(this))
.Cast <IfThenElse>()
.ToList();
var root = ifs.First();
var last = root;
foreach (var other in ifs.Skip(1))
{
last.Else = other;
last = other;
}
var finalElse = context.statement();
if (finalElse != null)
{
last.Else = finalElse.Accept(this) as Statement;
}
return(root);
}
public override Statement VisitIfStatement(QLParser.IfStatementContext context)
{
Expression condition = context.expr().Accept(new ExpressionBuilder());
var thenStatements = new List <Statement>();
var elseStatements = new List <Statement>();
foreach (var statement in context._then)
{
thenStatements.Add(statement.Accept(this));
}
foreach (var statement in context._else)
{
elseStatements.Add(statement.Accept(this));
}
return(new IfStatement(condition, thenStatements, elseStatements, context.GetTextPosition()));
}
